Hornbostel-Sachs System

311.1 Musical Bows

• musical bow

311.2 Stick Zithers

312.1 Whole Tube Zithers

312.2 Half-Tube Zithers

313.1 Idiochord Raft Zithers

313.2 Heterochord Raft Zithers

314.1 True Board Zithers

• piano
• psaltry
• trumpet marine
• Zither
• grand piano
• monochord
• concert grand piano

314.2 Board Zither Variations

• autoharp
• clavichord

315.1 Trough Zithers without Resonators

315.2 Trough Zithers with Resonators

• dulcimer

316.1 Frame Zithers without Resonator

316.2 Frame Zithers with Resonator

321.1 Bow Lutes

321.2 Yoke Lutes or Lyres

• lyre
• crwth
• kithara

321.3 Handle Lutes

• orpharion
• cittern
• double bass
• gittern
• guitar
• kit
• mandolin
• rebec
• sitar
• vihuela
• viola
• violin
• violoncello
• acoustic guitar
• banjo
• cello
• fiddle
• ukelele
• bass guitar
• tenor violin

322.1 Open Harps

322.2 Frame Harps

• harp
• Irish harp